import java.util.Scanner;

public class test1 {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入您的VIP等级");
        int vip = sc.nextInt();
        if(vip == 1){
            System.out.println("您实际支付的钱" + 1000*0.9);
        }else if(vip == 2){
            System.out.println("您实际支付的钱" + 1000*0.8);
        }else if (vip == 3){
            System.out.println("您实际支付的钱" + 1000*0.7);
        }else {
            System.out.println("您实际支付的钱" + 1000);
        }
    }
}
